Where does “cyclostomous” come from?

cyclostomous (English) comes from English ous, from English ou, from Afrikaans ou, from Dutch oud, from Middle Dutch out, from Old Dutch ald, from Proto-West Germanic ald, from Proto-Germanic aldaz — to grow, nourish.

cyclostomous (English): Relating to the cyclostomes

Definitions

  1. Relating to the cyclostomes

Ancestry of “cyclostomous”, step by step

cyclostomous traces back through two separate lines of ancestry.

via English ous

StepLanguageWordMeaning
1Englishousplural of ou
2EnglishouA probably extinct species of Hawaiian...
3AfrikaansouAn old fellow, guy, bloke; attributive form of...
4Dutchoudold
5Middle Dutchoutold
6Old Dutchald
7Proto-West Germanicaldold
8Proto-Germanicaldazold, grown up
9Proto-Indo-Europeanh₂eltós
10Proto-Indo-Europeanh₂él-to grow, nourish

via English cyclostome

StepLanguageWordMeaning
1EnglishcyclostomeAny of various primitive jawless fish of the...
2TranslingualCyclostomataclass: lampreys and hagfishes; the cyclostomes}}
3Frenchcyclostomecyclostome
4Ancient Greekκύκλοςcircle, ring; Any circular object, such as a...
5Proto-Indo-Europeankʷékʷloswheel; circle
6Proto-Indo-Europeankʷel-to turn
Every word from Proto-Indo-European h₂él-Every word from Proto-Indo-European h₂eltósEvery word from Proto-Germanic aldaz
cyclostomous — Etymology, Origin & Word History | Etymology Explorer